mkleinert3248 mkleinert3248
  • 01-07-2017
  • Mathematics
contestada

A bag of coins contain 2 quarters, 3 dimes and 4 pennies probability drawing a dime and then quarter without replacements

Respuesta :

texaschic101
texaschic101 texaschic101
  • 01-07-2017
2 quarters, 3 dimes, 4 pennies...total of 9 coins

probability of first drawing a dime = 3/9 reduces to 1/3
without replacement (means u have only 8 coins now)
probability of then drawing a quarter = 2/8 reduces to 1/4

probability of both : 1/3 * 1/4 = 1/12 or 8.3%
Answer Link

Otras preguntas

Prior to the Civil War, more people lived in the cities of what region than in any other region?
Please answer the question from the attachment.
The root word means time?
a circle has an area of 48in squared what is the radius of the circle use 3 for pie
The head of a human offspring turns down and prepares to enter the birth canal during the first trimester. the second trimester. the third trimester. birth.
How do you find the degree of a polynomial
When a parcel of air is allowed to expand, it does what?
Cafeteria Meas Sow lo Graders i m may Meals \ Tu-sum ‘ ,, w ‘ Friday 1 )7 If the mean number of meals for an 5 days was 69, how many meals did the cafe
Time Remaining 49:18 Which of the following are two mechanisms for water pollution? A. high and low B. direct and indirect C. lethal and nonlethal D. ha
If a university wants to maintain a 14:1 ratio between students and teachers, how many teachers would be needed to accommodate 896 students